package com.itheima.service.impl;


import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.OrderSettingDao;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderSettingService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderSettingService.class)
@Transactional
public class OrderSettingServiceImpl implements OrderSettingService {

    @Autowired
    private OrderSettingDao orderSettingDao;

    @Override
    //批量添加
    public void add(List<OrderSetting> list) {
        if (list != null && list.size() > 0) {
            for (OrderSetting orderSetting : list) {
                //检查此日期是否存在
                long count =
                        orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());
                if (count > 0) {
                    //如果存在,执行更新操作
                    orderSettingDao.editNumberByOrderDate(orderSetting);
                } else {
                    orderSettingDao.add(orderSetting);
                }
            }
        }
    }

    @Override
    public List<Map> getOrderSettingByMonth(String date) {
        String dateBegin = date+"-1";  //2019-10-1
        String dateEnd = date+"-31";    //2019-10-31

        Map map = new HashMap();
        map.put("dateBegin",dateBegin);
        map.put("dateEnd",dateEnd);

      List<OrderSetting> list =   orderSettingDao.getOrderSettingByMonth(map);
      List<Map> data = new ArrayList<>();

        for (OrderSetting orderSetting : list) {
            Map orderSettingMap = new HashMap();
            orderSettingMap.put("date",orderSetting.getOrderDate().getDate());  //获得几号
            orderSettingMap.put("number",orderSetting.getNumber()); //可预约人数
            orderSettingMap.put("reservations",orderSetting.getReservations()); //已预约人

            data.add(orderSettingMap);
        }

        return data;
    }

    @Override
    //根据日期修改可预约人数
    public void editNumberByDate(OrderSetting orderSetting) {
        long count=orderSettingDao.findCountByOrderDate(orderSetting.getOrderDate());
        if(count>0){
            //当前日期已经进行了预约设置，需要进行修改操作
            orderSettingDao.editNumberByOrderDate(orderSetting);
        }else{
            //当前日期没有进行预约设置，进行添加操作
            orderSettingDao.add(orderSetting);
        }
    }
}
